The latest information about local council electoral matters is as follows:

East Midlands

Broxtowe borough council: The Liberal Democrats have agreed to form a coalition with Labour to take control of the council. An error has been discovered which led to Hazel Charlesworth wrongly being declared elected in Eastwood North and Greasley (Beauvale) ward, in place of her husband Bob Charlesworth; both are Liberal Democrats but an election petition will be presented to rectify the situation.

Derbyshire county council: There are two vacancies. That in Sawley division follows the death of veteran Independent councillor Bill Camm. That in Eckington division is a result of the resignation of Labour councillor Steve Pickering, who has taken a politically restricted post. Term ends 2013.

Royal Borough of Kensington and Chelsea: There are two byelections on 9 June, both due to the deaths of Conservative councillors. They are Dr Iain Hanham (husband of former council leader and now Government minister Baroness Hanham) in Brompton ward, and Andrew Dalton in Queenâ€™s Gate ward. Both terms end in 2014.

Wandsworth borough council: Impending vacancy in Thamesfield ward (to take effect on 18 May) due to the resignation of council leader Edward Lister, who has been appointed Chief of Staff to Boris Johnson and Deputy Mayor for Planning. Term ends 2014.

North East

Newcastle-upon-Tyne city council: Two wards have had their elections postponed from 5 May to 16 June due to the deaths of candidates. They are Byker (where the sitting councillor is Labour) and Westerhope (where the Liberal Democrat candidate Neil Hamilton died on polling day).

Aberdeen city council: Byelection on 19 May in Dyce/Bucksburn/Danestone ward after the death of veteran Liberal Democrat councillor Ron Clark. There is another byelection on 23 June in Airyhall/Broomhill/Garthdee ward after the resignation of Scott Cassie, who was elected as a Liberal Democrat but sitting as an Independent after being charged with fraud. Both terms end 2012.

Falkirk council: Byelection on 9 June in Boâ€™ness and Blackness ward after the death of Scottish National Party councillor John Constable. Term ends 2012.

Highland council: Byelection in Tain and Easter Ross ward on 9 June, after the death of Alan Torrance who was elected as an Independent but had joined the Scottish National Party group. Term ends 2012.